Color

#2a030b

#2a030b
hex#2a030b
rgbrgb(42, 3, 11)
hslhsl(348, 87%, 9%)
oklchoklch(0.188 0.066 12.5)
Closest name: Belladonna (#220011)Relative luminance 0.0058

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#032b23

#2b031f · #2b0f03

#0b2b03 · #030b2b

Split-complementary

Open in tool →

#032b0f · #031f2b

#1f2b03 · #032b23 · #0f032b

Contrast

#2a030b as textRatioAAAA largeAAAFix
Aaon white
18.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.12:1failfailfail
  • AA: use #ea103c as the text (4.64:1)
  • AAA: use #f46683 as the text (7.07:1)
  • AA: or shift the background to #7d7d7d (4.57:1)
  • AAA: or shift the background to #9e9e9e (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a030b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2a030b reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a030b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2a030b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a030b-c49c9f-62cb83-2d231f-f1e9ef?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md